[clang] [llvm-profdata] Do not create numerical strings for MD5 function names read from a Sample Profile. (PR #66164)
William Junda Huang via cfe-commits
cfe-commits at lists.llvm.org
Mon Oct 9 10:16:57 PDT 2023
================
@@ -85,7 +86,7 @@ class ProfiledCallGraph {
std::queue<ContextTrieNode *> Queue;
for (auto &Child : ContextTracker.getRootContext().getAllChildContext()) {
ContextTrieNode *Callee = &Child.second;
- addProfiledFunction(ContextTracker.getFuncNameFor(Callee));
+ addProfiledFunction(Callee->getFuncName());
----------------
huangjd wrote:
This is ok, see SampleProfile.cpp:1970. It will perform a MD5 to StringRef lookup if using MD5.
``` Function *F = SymbolMap.lookup(
FunctionSamples::UseMD5
? GUIDToFuncNameMap.lookup(Node->Name.getHashCode())
: Node->Name.stringRef(Buffer));```
https://github.com/llvm/llvm-project/pull/66164
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